https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99530
--- Comment #10 from Thiago Macieira <thiago at kde dot org> --- (In reply to H.J. Lu from comment #9) > Don't use %P with cmp. I know, but that's besides the point. I was merely trying to find something that would have a reason to type more after the %P and show that a newline could be wrong.